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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -mcpu=pwr8 \
3; RUN:   -ppc-convert-rr-to-ri -verify-machineinstrs | FileCheck %s
4define void @test(i32 zeroext %parts) {
5; CHECK-LABEL: test:
6; CHECK:       # %bb.0: # %entry
7; CHECK-NEXT:    cmplwi 3, 1
8; CHECK-NEXT:    bnelr+ 0
9; CHECK-NEXT:  # %bb.1: # %test2.exit.us.unr-lcssa
10; CHECK-NEXT:    ld 3, 0(3)
11; CHECK-NEXT:    std 3, 0(3)
12entry:
13  br label %cond.end.i
14
15cond.end.i:                                       ; preds = %entry
16  %cmp18.i = icmp eq i32 %parts, 1
17  br i1 %cmp18.i, label %while.body.lr.ph.i.us.preheader, label %test3.exit.split
18
19while.body.lr.ph.i.us.preheader:                  ; preds = %cond.end.i
20  %0 = icmp eq i32 %parts, 1
21  br label %for.body.i62.us.preheader
22
23for.body.i62.us.preheader:                        ; preds = %while.body.lr.ph.i.us.preheader
24  br i1 %0, label %test2.exit.us.unr-lcssa, label %for.body.i62.us.preheader.new
25
26for.body.i62.us.preheader.new:                    ; preds = %for.body.i62.us.preheader
27  br label %for.body.i62.us
28
29for.body.i62.us:                                  ; preds = %if.end.i.us.1, %for.body.i62.us.preheader.new
30  %niter = phi i64 [ undef, %for.body.i62.us.preheader.new ], [ %niter.nsub.1, %if.end.i.us.1 ]
31  %cmp8.i.us.1 = icmp uge i64 undef, 0
32  br label %if.end.i.us.1
33
34test2.exit.us.unr-lcssa: ; preds = %if.end.i.us.1, %for.body.i62.us.preheader
35  %c.addr.036.i.us.unr = phi i64 [ 0, %for.body.i62.us.preheader ], [ %c.addr.1.i.us.1, %if.end.i.us.1 ]
36  %1 = load i64, i64* undef, align 8
37  %tobool.i61.us.epil = icmp eq i64 %c.addr.036.i.us.unr, 0
38  %add.neg.i.us.epil.pn = select i1 %tobool.i61.us.epil, i64 %1, i64 0
39  %storemerge269 = sub i64 %add.neg.i.us.epil.pn, 0
40  store i64 %storemerge269, i64* undef, align 8
41  unreachable
42
43test3.exit.split:             ; preds = %cond.end.i
44  ret void
45
46if.end.i.us.1:                                    ; preds = %for.body.i62.us
47  %c.addr.1.i.us.1 = zext i1 %cmp8.i.us.1 to i64
48  %niter.nsub.1 = add i64 %niter, -2
49  %niter.ncmp.1 = icmp eq i64 %niter.nsub.1, 0
50  br i1 %niter.ncmp.1, label %test2.exit.us.unr-lcssa, label %for.body.i62.us
51}
52